Dame Ann Marilyn Strathern (née Evans; born 6 March 1941) is a British anthropologist, who has worked largely with the natives of Papua New Guinea and dealt with issues in the UK of reproductive technologies. She was William Wyse Professor of Social Anthropology at the University of Cambridge from 1993 to 2008, and Mistress of Girton College, Cambridge from 1998 to 2009.
Strathern has held numerous positions over her long career. All of which involved her work with the people of Papua New Guinea and her expertise in feminist anthropology. Her extensive career began in 1970, when she was a Researcher for the New Guinea Research Unit of Australian University followed by a stint from 1976 to 1983 where she was a lecturer at Girton College and then Trinity College from 1984-1985, occasionally making guest lectures at the University of California, Berkeley in the United States, Europe and Australia.
She left Cambridge to become Professor of Social Anthropology at Manchester University in 1985. She then returned to Cambridge for the final time to take the position of William Wyse Professor of Social Anthropology until her retirement in 2008. During this time, she also held the position of Mistress of Girton College from 1998 to October 2009. Strathern was also co-opted member of the Nuffield Council on Bioethics while also chairing the Working Party on "Human bodies: donation for medicine and research" from 2000 to 2006 and 2010 until 2011